Democrats in Congress can move ahead with their lawsuit against President Trump alleging that his private business violates the Constitution’s ban on gifts or payments from foreign governments, a federal judge ruled Tuesday.

The decision in Washington from U.S. District Judge Emmet G. Sullivan adopted a broad definition of the anti-corruption law and could set the stage for Democratic lawmakers to begin seeking information from the Trump Organization. The Justice Department can try to delay or block the process by asking an appeals court to intervene.

In a 48-page opinion, the judge refused the request of the president’s legal team to dismiss the case and rejected Trump’s narrow definition of emoluments, finding it “unpersuasive and inconsistent.”

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The Trump International Hotel in Washington in March. (Alex Wroblewski/Getty Images)